how to convert string to url encode

Question

how to convert string to url encode

신승민 1

bad english sorry..
I want to make auto-search
some internet sites search with url encoded

like "......&query=%BE%C8%B3%E7"

So my problem is
if i click a button, textbox1.text is changed to %XX%XX%XX

please help me

Viorel 122.6K Reputation points

2022-12-22T16:20:03.08+00:00

I think that the Uri.EscapeDataString function is designed for such cases.

1 answer

Your answer

Viorel 122.6K Reputation points

2022-12-22T16:20:03.08+00:00

I think that the Uri.EscapeDataString function is designed for such cases.

Answer 1

Michael Taylor 60,161

You didn't mention the framework version you're using. If you're using .NET Framework then System.Web.HttpUtility.UrlEncode will URL encode a string.

   Dim encodedValue As String = HttpUtility.UrlEncode("myvalue")

If you're using .NET Core/6/7 then System.Web is deprecated so you should use System.Net.WebUtility.UrlEncode instead. There are some differences but none that should really impact the behavior.

신승민 1 Reputation point

2022-12-23T03:33:03.553+00:00

oh I use .net 6 !!
what should i do?
help me...
Michael Taylor 60,161 Reputation points

2022-12-23T03:41:37.747+00:00
Use System.Net.WebUtility.UrlEncode as I mentioned in my original answer. It should do what you want. If it doesn't then post the data you're having issues with.

Dim encodedValue As String = WebUtility.UrlEncode("myvalue")
신승민 1 Reputation point

2022-12-23T04:25:27.32+00:00

its my code
it should print "....&searchText=(textbox1.text)" => "....&searchText=%XX%XX%XX"
but it's not works....
Michael Taylor 60,161 Reputation points

2022-12-23T06:00:19.517+00:00

You're taking whatever is entered in the textbox and encoding it and then appending to the URL. Please post the example text you're putting into that box and the result that is coming out.
신승민 1 Reputation point

2022-12-23T06:07:04.257+00:00

yeah but when i entered the textbox anything, it print same thing

example) enter "test" => (click the button) => print "...&searchText=text"

(I don't know if I fully understand your comment by language barrier.. sorry T-T)
신승민 1 Reputation point

2022-12-23T06:08:22.383+00:00

(fix) example) enter "test" => (click the button) => print "...&searchText=test"
Michael Taylor 60,161 Reputation points

2022-12-23T15:11:47.703+00:00
I think there is a misunderstanding about URL encoding. URL encoding is the process of taking text and making it such that it is usable inside a URL without invalidating the URL. There are some characters that cannot appear in a URL without causing problems such as ? and /. Other characters may cause problems (like spaces). URL encoding is the process of taking a string and converting those characters to their equivalent value so they can be used in a URL. If a string has no need for encoding then it doesn't do anything. For example my home would convert to my%20home or my+home. But test would remain unchanged. URL encoding only changes invalid characters.

Are you sure you have to convert the entire search text to its numeric equivalent? That doesn't make any sense to me as it would be non-standard with how URLs work. IIRC what you're asking for is decimal encoding, is that correct? If so then there is no out of the box solution that I'm aware of but the Uri.HexEscape does convert a single character so you can create a method to do it. Perhaps something like this (not tested).

Public Shared Function DecimalEncode(value As String) As String Return String.Join("", value.Select(Function(x) Uri.HexEscape(x))) End Function

If it is base 64 encoded then that is built in.
신승민 1 Reputation point

2022-12-25T16:32:52.07+00:00

oh I want to change "korean" to %XX things
example) "고마워" => %B0%ED%B8%B6%BF%F6
I hope this example solve this problem ^_^b
I hope you had a nice christmas

Share via

how to convert string to url encode

1 answer

Your answer